20945971202

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{1427}}^1\times {\mathrm{43427}}^1$

素因数の和:44882

約数の個数: 24

約数和(自身を含む): 34046336016

約数和(自身を除く): 13100364814

約数列:

[1, 2, 13, 26, 169, 338, 1427, 2854, 18551, 37102, 43427, 86854, 241163, 482326, 564551, 1129102, 7339163, 14678326, 61970329, 123940658, 805614277, 1611228554, 10472985601, 20945971202]

約数ペア:

[(1, 20945971202), (2, 10472985601), (13, 1611228554), (26, 805614277), (169, 123940658), (338, 61970329), (1427, 14678326), (2854, 7339163), (18551, 1129102), (37102, 564551), (43427, 482326), (86854, 241163)]